taglinefilesource code
DMA_channel627drivers/scsi/eata_dma.cgc->IRQ, gc->IRQ_TR, (8 - gc->DMA_channel) & 7, gc->FORCADR, 
DMA_channel649drivers/scsi/eata_dma.cdma_channel = (8 - gc->DMA_channel) & 7;
DMA_channel259drivers/scsi/eata_dma.hDMA_channel:2;            /* DRQ index, DRQ is 2comp of DRQX  */